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<head>
    <meta charset="UTF-8">
    <title>Title</title>

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<body>
    <dl id="app">
        <dt>Java</dt>
        <dd>JavaSe</dd>
        <dd>JavaEE</dd>
    </dl>

    <script>
        let dl = document.getElementById("app");
    </script>
</body>
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